List of the Cenozoic life of Kansas

This list of the Cenozoic life of Kansas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Kansas and are between 66 million and 10,000 years of age.

A

 * Acris
 * †Acris crepitans
 * †Adelphailurus
 * †Adelphailurus kansensis – type locality for species
 * Aelurodon taxoides.JPG †[[Aelurodon]]
 * †Aelurodon taxoides
 * Agkistrodon
 * †Agkistrodon contortix
 * †Agriocharis
 * †Agriocharis progenes – type locality for species
 * †Agriotherium
 * †Alforjas
 * †Alforjas taylori
 * †Alilepus
 * †Alilepus hibbardi
 * †Allogona
 * †Allogona profunda
 * †Allophaiomys
 * †Allophaiomys pliocaenicus
 * †Ambystoma
 * †Ambystoma maculatum
 * †Ambystoma tigrinum
 * Amebelodon fricki.jpg †[[Amebelodon]]
 * †Amebelodon britti
 * Amia
 * †Amia calva
 * †Amphimachairodus
 * †Amphimachairodus coloradensis
 * Anas
 * †Anas crecca
 * †Anchiblarinella
 * †Anchiblarinella wakeeneyensis – type locality for species
 * †Aphelops
 * †Aphelops malacorhinus
 * †Aphelops mutilus
 * Aplodinotus
 * †Aplodinotus grunniens – or unidentified comparable form
 * †Arctodus
 * †Arctodus pristinus – or unidentified comparable form
 * †Arctodus simus
 * †Astrohippus
 * †Astrohippus ansae

B

 * Baiomys
 * †Baiomys kolbi – type locality for species
 * †Baiomys rexroadi – type locality for species
 * Barbourofelis fricki.JPG †[[Barbourofelis]]
 * Bassariscus
 * †Bassariscus casei – type locality for species
 * †Bassariscus ogallalae
 * †Bensonomys
 * †Bensonomys eliasi
 * †Bensonomys meadensis – type locality for species
 * †Bensonomys stirtoni
 * †Berriochloa
 * †Berriochloa amphoralis
 * †Berriochloa maxima
 * †Berriochloa minuta
 * †Berriochloa pumila
 * †Berriochloa tuberculata
 * †Berriochloa variegata
 * †Biorbia
 * †Biorbia fossilia
 * Bison
 * †Bison antiquus – type locality for species
 * †Bison bison
 * Bison latifrons fossil buffalo (Pleistocene; North America) 1 (15257877377).jpg †[[Bison latifrons]]
 * Blarina
 * †Blarina brevicauda
 * †Blarina carolinensis
 * †Borophagus
 * †Borophagus diversidens
 * †Borophagus hilli
 * †Borophagus pugnator
 * †Borophagus secundus – type locality for species
 * Botaurus
 * †Botaurus hibbardi – type locality for species
 * †Brachyopsigale
 * †Brachyopsigale dubius – type locality for species
 * Bufo
 * Bufo cognatus1.jpg (formerly Bufo cognatus), or Great Plains toad]] †Bufo cognatus''
 * †Bufo hemiophrys
 * †Bufo hibbardi
 * †Bufo marinus
 * †Bufo pliocompactilis – type locality for species
 * †Bufo valentinensis
 * †Bufo woodhousei
 * †Buisnictis
 * †Buisnictis breviramus – type locality for species
 * †Buisnictis schoffi

C

 * †Calippus
 * †Calippus large informal
 * †Calippus martini
 * †Calippus regulus
 * Camelus hesternus Sergiodlarosa.jpg †[[Camelops]]
 * Candona
 * †Candona lactea – or unidentified comparable form
 * †Candona nyensis
 * †Candona truncata
 * Canis
 * †Canis armbrusteri
 * †Canis dirus
 * †Canis edwardii
 * †Canis ferox
 * †Canis latrans
 * †Canis lepophagus
 * Capromeryx minor p1350725.jpg †[[Capromeryx]]
 * †Capromeryx furcifer
 * †Carpocyon
 * †Carpocyon compressus
 * Carychium
 * †Carychium exiguum
 * Castor
 * †Castor canadensis
 * †Castoroides
 * †Castoroides ohioensis – or unidentified comparable form
 * †Catostomus
 * †Catostomus commersoni
 * Celtis
 * †Celtis willistonii
 * Nsthornedgopher-hlmwh-rbh13.jpg †[[Ceratogaulus]]
 * †Ceratogaulus hatcheri
 * †Ceratogaulus minor
 * †Cervalces
 * †Cervalces scotti
 * Cervus
 * †Cervus elaphus
 * Chaetodipus
 * †Chaetodipus hispidus
 * Chara
 * †Chara globularis – or unidentified comparable form
 * Chasmaporthetes fossil cropped.png †[[Chasmaporthetes]]
 * Chelydra
 * †Chelydra serpentina
 * Chrysemys
 * †Chrysemys picta
 * †Chrysemys scripta
 * †Cionella
 * †Cionella lubrica
 * Clethrionomys
 * †Clethrionomys gapperi
 * Cnemidophorus
 * †Cnemidophorus bilobatus
 * †Cnemidophorus sexlineatus
 * Coluber
 * †Coluber constrictor
 * †Copemys – type locality for genus
 * †Copemys pisinnus
 * †Copemys shotwelli – type locality for species
 * Cosoryx fossil cropped.png †[[Cosoryx]]
 * †Cosoryx furcatus
 * Crotalus
 * †Crotalus viridis
 * †Cryptantha
 * †Cryptantha auriculata
 * Cryptotis
 * †Cryptotis adamsi
 * †Cryptotis kansasensis – type locality for species
 * †Cryptotis meadensis – type locality for species
 * †Cryptotis parva
 * Cynomys
 * †Cynomys gunnisoni – or unidentified comparable form
 * †Cynomys hibbardi – type locality for species
 * Cynomys ludovicianus -Paignton Zoo, Devon, England-8a.jpg †[[Cynomys ludovicianus]]
 * †Cynomys niobrarius
 * †Cynomys spenceri
 * †Cynomys vetus – type locality for species
 * Cyprideis
 * †Cyprideis littoralis
 * Cyprinotus – tentative report

D

 * Deroceras
 * †Deroceras aenigma
 * Diadophis
 * †Diadophis punctatus
 * Dinohippus leidyanus 3.JPG †[[Dinohippus]]
 * †Dinohippus interpolatus
 * †Dinohippus leidyanus
 * Dipodomys
 * †Dipodomys hibbardi – type locality for species
 * †Dipodomys ordii – or unidentified comparable form
 * †Dipoides
 * †Dipoides rexroadensis – type locality for species
 * †Dipoides wilsoni – type locality for species
 * Discus
 * †Discus cronkhitei
 * †Domninoides
 * †Domninoides mimicus – type locality for species

E

 * Egretta
 * Elaphe – type locality for genus
 * †Elaphe kansensis – type locality for species
 * †Elaphe obsoleta
 * †Elaphe vulpina
 * Emydoidea
 * †Emydoidea twentei
 * Epicyon haydeni skeleton.jpg †[[Epicyon]]
 * †Epicyon aelurodontoides – type locality for species
 * †Epicyon haydeni
 * †Epicyon saevus
 * Equus
 * †Equus conversidens
 * †Equus francisci
 * †Equus giganteus – or unidentified comparable form
 * †Equus niobrarensis
 * †Equus scotti
 * Equus simplicidens UMNH.jpg †[[Equus simplicidens]]
 * †Eucastor
 * †Euconulus
 * †Euconulus fulvus
 * †Eucyon
 * †Eucyon davisi
 * Eumeces
 * †Eumeces fasciatus
 * †Eumeces hixsonorum – type locality for species
 * †Eumeces obsoletus
 * †Eumeces septentrionalis
 * †Eumeces striatulus
 * †Eumecoides
 * †Eumecoides hibbardi
 * †Eumecoides mylocoelus

F

 * Felis
 * †Felis rexroadensis
 * †Ferissia
 * †Ferissia fragilis – or unidentified comparable form
 * Ferrissia
 * †Ferrissia rivularis
 * Fundulus catenatus.jpg †[[Fundulus]]

G

 * Gastrocopta
 * †Gastrocopta armifera
 * †Gastrocopta cristata
 * †Gastrocopta tappaniana
 * Geochelone
 * Geomys
 * †Geomys adamsi – type locality for species
 * Geomys bursarius.jpg †[[Geomys bursarius]]
 * †Geomys jacobi – type locality for species
 * †Geomys minor
 * †Geomys quinni
 * †Geomys tobinensis
 * Gerrhonotus
 * †Gerrhonotus mungerorum – type locality for species
 * †Gigantocamelus
 * †Gigantocamelus spatulus
 * †Gnathabelodon
 * †Gnathabelodon thorpei – type locality for species
 * Gomphotherium productum.jpg †[[Gomphotherium]]
 * Gopherus
 * Graptemys
 * †Graptemys geographica
 * Grus
 * †Grus americana
 * †Grus nannodes – type locality for species
 * †Guildayomys
 * †Guildayomys hibbardi
 * Gyraulus
 * †Gyraulus parvus

H

 * Hawaiia
 * †Hawaiia miniscula
 * †Hawaiia minuscula
 * Helicodiscus
 * †Helicodiscus paralellus
 * †Helicodiscus parallelus
 * Helisoma
 * †Helisoma anceps
 * †Helisoma lentum
 * †Helisoma trivolvis
 * Fossil maxilla Hemiauchenia Boulle.png relative Hemiauchenia]] †Hemiauchenia
 * †Hemiauchenia macrocephala
 * †Hesperoscalops
 * †Hesperoscalops rexroadi – type locality for species
 * †Hesperoscalops sewardensis – type locality for species
 * †Hesperotestudo
 * †Hesperotestudo orthopygia
 * †Hesperotestudo riggsi
 * Heterodon
 * †Heterodon nasicus
 * †Heterodon platyrhinos
 * †Heterodon plionasicus
 * †Hibbardomys
 * †Hibbardomys fayae – type locality for species
 * †Hibbardomys marthae
 * †Hibbardomys voorhiesi
 * †Hipparion
 * †Hipparion tehonense – or unidentified comparable form
 * †Hippotherium
 * Holbrookia
 * †Holbrookia maculata
 * Holmesina floridanus life reconstruction.jpg †[[Holmesina]]
 * †Holmesina septentrionalis
 * Homo
 * †Homo sapiens
 * †Homotherium
 * †Homotherium serum
 * Hyla
 * †Hyla cinerea – or unidentified comparable form
 * †Hyla gratiosa – or unidentified comparable form
 * †Hyla squirella – or unidentified comparable form
 * †Hyla versicolor
 * Hypohippus.jpg †[[Hypohippus]]
 * †Hypolagus
 * †Hypolagus regalis – type locality for species
 * †Hypolagus ringoldensis
 * †Hypolagus vetus
 * †Hypolagus voorhiesi
 * †Hystricops

I

 * Ictalurus
 * †Ictalurus lambda
 * †Ictalurus melas
 * †Ictalurus punctatus
 * Ictiobus cyprinellus.jpg †[[Ictiobus]]
 * Ilyocypris
 * †Ilyocypris bradyi
 * †Ischyrocyon – tentative report

K

 * †Kansasimys
 * †Kansasimys dubius
 * Kinosternon
 * Kinosternon flavescens 1.jpg †[[Kinosternon flavescens]]
 * †Kinosternon subrubrum

L

 * Lampropeltis getula getula.jpg, or eastern kingsnake]] Lampropeltis''
 * †Lampropeltis calligaster
 * †Lampropeltis doliata
 * †Lampropeltis getulus
 * †Lampropeltis similis
 * Lasiurus
 * †Lasiurus cinereus
 * †Lasiurus fossilis – type locality for species
 * †Lasiurus golliheri – type locality for species
 * Lepisosteus
 * †Lepisosteus osseus
 * Lepisosteus platostomus drawing.jpg †[[Lepisosteus platostomus]] – tentative report
 * Lepomis
 * †Lepomis cyanellus
 * †Lepomis humilis – or unidentified comparable form
 * †Leptarctus
 * †Leptarctus mummorum – type locality for species
 * †Leptarctus woodburnei – type locality for species
 * †Leptarctus wortmani – type locality for species
 * Leptocyon gregorii holotype AMNH 12879.jpg †[[Leptocyon]]
 * †Leptocyon vafer
 * Lepus
 * †Lepus californicus – or unidentified comparable form
 * †Longirostromeryx
 * Lontra
 * †Lontra canadensis
 * Lymnaea
 * †Lymnaea caperota
 * †Lymnaea humulus
 * †Lymnaea parva
 * Lynx

M

 * †Machairodus
 * †Machairodus catocopis
 * Macrochelys
 * †Macrochelys temminckii
 * †Macrognathomys
 * †Mammut
 * †Mammut americanum
 * †Mammuthus
 * Columbian mammoth cropped.png †[[Mammuthus columbi]]
 * Martes
 * †Martes foxi – type locality for species
 * †Martes stirtoni – type locality for species
 * †Martinogale
 * †Martinogale alveodens
 * †Megalonyx
 * †Megalonyx jeffersonii
 * †Megalonyx leptostomus
 * †Megantereon
 * †Megantereon hesperus
 * †Megatylopus
 * †Megatylopus cochrani
 * †Megatylopus gigas
 * †Megatylopus matthewi
 * †Menetus
 * †Menetus exacuous
 * Mephitis
 * †Mephitis mephitis – tentative report
 * †Mephitis rexroadensis – type locality for species
 * †Merychyus
 * †Merychyus novomexicanus
 * Micropterus
 * †Micropterus punctulatus – or unidentified comparable form
 * Microtus
 * †Microtus llanensis
 * †Microtus meadensis
 * †Microtus ochrogaster
 * †Microtus paroperarius – type locality for species
 * †Microtus pennsylvanicus
 * Mictomys
 * †Mictomys borealis
 * †Mictomys kansasensis
 * †Mictomys meltoni
 * †Mictomys vetus
 * †Minytrema – tentative report
 * †Mionictis
 * Musculium
 * †Musculium partineium
 * †Musculium transversum
 * Mustela
 * †Mustela meltoni – type locality for species
 * †Mustela rexroadensis – type locality for species
 * †Mustela richardsonii – or unidentified comparable form
 * †Mylagaulus
 * †Mylagaulus sesquipedalis – type locality for species
 * Mylohyus nasutus.jpg †[[Mylohyus]]
 * †Mylohyus fossilis
 * Myotis

N

 * Nannippus jaw.JPG †[[Nannippus]]
 * †Nannippus lenticularis
 * †Nannippus peninsulatus
 * †Nassella
 * †Nassella pohlii
 * †Nassella reynoldsii
 * †Nebraskomys
 * †Nebraskomys mcgrewi
 * †Nebraskomys rexroadensis
 * †Nekrolagus
 * †Nekrolagus progressus – type locality for species
 * Neofiber
 * †Neofiber leonardi – type locality for species
 * Neogale
 * †Neogale frenata – or unidentified comparable form
 * †Neogale vison
 * Neohipparion cropped.png †[[Neohipparion]]
 * †Neohipparion affine – or unidentified comparable form
 * †Neohipparion eurystyle
 * †Neohipparion leptode
 * †Neohipparion trampasense
 * Neotoma
 * †Neotoma floridana – or unidentified comparable form
 * †Neotoma leucopetrica
 * †Neotoma micropus
 * †Neotoma quadriplicata – type locality for species
 * †Neotoma sawrockensis – type locality for species
 * †Neotoma taylori – type locality for species
 * Nerodia
 * †Nerodia hillmani
 * †Nerodia sipedon
 * †Nerterogeomys
 * †Nerterogeomys smithi
 * Nesovitrea
 * †Nesovitrea electrina
 * Nettion
 * †Nettion ogallalae – type locality for species
 * †Nimravides
 * †Nimravides thinobates
 * Nothrotheriops.jpg †[[Nothrotheriops]]
 * †Nothrotheriops texanus
 * Notiosorex
 * †Notiosorex crawfordi
 * †Notiosorex jacksoni – type locality for species
 * †Notolagus
 * †Notolagus lepusculus – type locality for species
 * †Notropes
 * †Notropis – tentative report

O

 * White-tailed deer.jpg [[Odocoileus]]
 * Ogmodontomys
 * †Ogmodontomys poaphagus – type locality for species
 * †Ogmodontomys sawrockensis – type locality for species
 * †Ogmophis
 * †Ogmophis pliocompactus – type locality for species
 * Ondatra
 * †Ondatra annectens
 * †Ondatra idahoensis
 * †Ondatra meadensis
 * †Ondatra zibethicus
 * Onychomys
 * †Onychomys gidleyi – type locality for species
 * †Onychomys hollisteri – type locality for species
 * †Onychomys leucogaster – or unidentified comparable form
 * †Onychomys martini
 * †Onychomys pedroensis
 * Ophisaurus
 * †Ophisaurus attenuatus
 * [[File:Rufous-vented Chachalaca - Guacharaca del Norte (Ortalis ruficauda) (8629080871) cropped.jpg|thumb|upright=0.5|A living Ortalis, or chachalaca]] [[Ortalis]]
 * †Ortalis affinis – type locality for species
 * Oryzomys
 * †Oryzomys palustris

P

 * †Paenemarmota
 * †Paenemarmota barbouri
 * †Paenemarmota sawrockensis
 * †Paleoheterodon
 * †Panicum
 * †Panicum elegans
 * Panthera
 * †Panthera leo
 * †Paracryptotis
 * †Paracryptotis rex – type locality for species
 * San Diego Paramylodon.jpg Paramylodon]] †Paramylodon
 * †Paramylodon harlani
 * †Paranasua – or unidentified comparable form
 * †Parapliosaccomys
 * †Parapliosaccomys hibbardi
 * †Pediomeryx
 * †Pediomeryx hemphillensis
 * †Peraceras
 * Perca
 * †Perca flavescens
 * Pacific pocket mouse cropped.jpg [[Perognathus]]
 * †Perognathus coquorum – or unidentified comparable form
 * †Perognathus dunklei – type locality for species
 * †Perognathus gidleyi
 * †Perognathus mclaughlini – type locality for species
 * †Perognathus pearlettensis – type locality for species
 * †Perognathus rexroadensis – type locality for species
 * Peromyscus
 * †Peromyscus baumgartneri – type locality for species
 * †Peromyscus berendsensis
 * †Peromyscus cochrani – type locality for species
 * †Peromyscus cragini
 * †Peromyscus kansasensis – type locality for species
 * †Peromyscus progressus – type locality for species
 * †Petenyia
 * †Petenyia concisa
 * Phenacomys
 * †Phenacomys intermedius – or unidentified comparable form
 * Phrynosoma
 * TexasHornedLizard.jpg †[[Phrynosoma cornutum]]
 * Physa
 * †Physa anatina
 * †Physa arboreus
 * †Physa gyrina
 * †Physa hawni
 * Pisidium
 * †Pisidium abditum
 * †Pisidium compressum
 * †Pisidium noveboracense
 * Pituophis
 * †Pituophis catenifer
 * †Pituophis melanoleucus
 * †Planisorex
 * †Planisorex dixonensis
 * †Planorbula
 * †Planorbula campestris
 * WPHubeiPlatybeladon.jpg †[[Platybelodon]]
 * †Platybelodon loomisi
 * †Platygonus
 * †Platygonus bicalcaratus
 * †Platygonus compressus – or unidentified comparable form
 * †Platygonus pollenae
 * †Platygonus vetus – or unidentified comparable form
 * Plegadis – or unidentified comparable form
 * †Pleiolama
 * †Pleiolama vera – type locality for species
 * †Plesiogulo
 * †Plesiogulo marshalli – type locality for species
 * †Plioctomys
 * †Plioctomys rinkeri
 * †Pliogyps – type locality for genus
 * †Pliogyps fisheri – type locality for species
 * Pliohippus Pernix.jpg †[[Pliohippus]]
 * †Pliohippus nobilis – type locality for species
 * †Pliohippus pernix
 * †Pliolemmus
 * †Pliolemmus antiquus – type locality for species
 * †Pliophenacomys
 * †Pliophenacomys dixonensis – type locality for species
 * †Pliophenacomys finneyi
 * †Pliophenacomys meadensis
 * †Pliophenacomys osborni
 * †Pliophenacomys primaevus – type locality for species
 * †Pliopicus – type locality for genus
 * †Pliopicus brodkorbi – type locality for species
 * †Pliotaxidea
 * †Pliotaxidea nevadensis
 * †Pomoxis
 * †Potamocypris
 * †Pratifelis
 * †Pratifelis martini – type locality for species
 * †Pratilepus
 * †Pratilepus kansasensis – type locality for species
 * †Procamelus
 * †Procastoroides
 * †Procastoroides sweeti
 * Procyon
 * †Procyon lotor
 * †Procyon rexroadensis – type locality for species
 * †Prodipodomys
 * †Prodipodomys centralis
 * †Prodipodomys griggsorum
 * †Prodipodomys kansensis
 * †Prodipodomys tiheni
 * †Prodipoides
 * †Prodipoides phillisi – type locality for species
 * †Prolappula
 * †Prolappula verrucosa
 * †Prolithospermum
 * †Prolithospermum johnstonii
 * †Prosthennops
 * †Prosthennops serus – type locality for species
 * Protohippus simus.jpg †[[Protohippus]]
 * †Protohippus gidleyi
 * †Protohippus supremus
 * †Protolabis
 * Pseudacris
 * †Pseudacris clarki – or unidentified comparable form
 * †Pseudacris triseriata
 * Pseudemys
 * †Pseudemys hibbardi
 * †Pseudhipparion
 * †Pseudoceras
 * †Pseudoceras skinneri
 * Puma
 * †Puma concolor
 * Pupilla
 * †Pupilla sinistra
 * Pupoides
 * †Pupoides marginatus

R

 * Merycodus osborni cropped.png †[[Ramoceros]]
 * †Ramoceros osborni
 * †Rana
 * †Rana areolata – or unidentified comparable form
 * †Rana bucella
 * †Rana catesbeiana
 * †Rana fayeae
 * †Rana parvissima
 * †Rana pipiens
 * †Rana rexroadensis
 * †Regina
 * †Regina grahami
 * Reithrodontomys
 * †Reithrodontomys humulis
 * †Reithrodontomys megalotis
 * †Reithrodontomys montanus – or unidentified comparable form
 * †Reithrodontomys moorei
 * †Reithrodontomys pratincola – type locality for species
 * †Reithrodontomys rexroadensis – type locality for species
 * †Reithrodontomys wetmorei – type locality for species
 * Rhinocheilus – tentative report
 * †Rhinocheilus lecontei
 * Rhynchotherium falconeri.png †[[Rhynchotherium]]

S

 * †Satherium
 * †Satherium piscinarium
 * Scalopus
 * †Scalopus aquaticus
 * Scaphiopus couchii ANRA.jpg [[Scaphiopus]]
 * †Scaphiopus hardeni
 * Sceloporus
 * †Sceloporus robustus – type locality for species
 * †Sceloporus undulatus
 * †Semotilus
 * †Semotilus atromaculatus – or unidentified comparable form
 * Sigmodon
 * †Sigmodon curtisi – or unidentified comparable form
 * †Sigmodon minor
 * Sistrurus
 * †Sistrurus catenatus
 * Smilodon fatalis.jpg †[[Smilodon]]
 * †Soergelia
 * †Soergelia mayfieldi – or unidentified comparable form
 * Sorex
 * †Sorex arcticus
 * †Sorex cinereus
 * †Sorex cudahyensis
 * †Sorex kansasensis – type locality for species
 * †Sorex lacustris
 * †Sorex leahyi – type locality for species
 * †Sorex megapalustris
 * †Sorex palustris
 * †Sorex pratensis
 * †Sorex rexroadensis – type locality for species
 * †Sorex sandersi – type locality for species
 * †Sorex scottensis – type locality for species
 * †Sorex taylori – type locality for species
 * Spea
 * Spea bombifrons cropped.jpg †[[Spea bombifrons]]
 * †Spea diversus
 * Spermophilus
 * †Spermophilus boothi
 * †Spermophilus cragini – type locality for species
 * †Spermophilus franklinii – or unidentified comparable form
 * †Spermophilus fricki
 * †Spermophilus howelli – type locality for species
 * †Spermophilus lorisrusselli – type locality for species
 * †Spermophilus meadensis – type locality for species
 * †Spermophilus rexroadensis – type locality for species
 * †Spermophilus richardsonii
 * †Spermophilus tridecemlineatus
 * Sphaerium
 * †Sphaerium simile
 * Spilogale
 * †Spilogale putorius
 * †Spilogale rexroadi – type locality for species
 * Stagnicola
 * †Stagnicola caperata
 * Stegomastodon mirificus - Smithsonian.JPG †[[Stegomastodon]]
 * †Stegomastodon mirificus
 * †Stegomastodon primitivus
 * †Stenotrema
 * †Stenotrema leai
 * Sternotherus
 * †Sternotherus odoratus
 * Storeria
 * †Storeria dekayi – or unidentified comparable form
 * Succinea
 * †Succinea ovalis
 * †Succinia
 * †Succinia concordalis
 * †Succinia haydeni
 * Sylvilagus
 * Eastern Cottontail.JPG †[[Sylvilagus floridanus]]
 * †Symmetrodontomys
 * †Symmetrodontomys simplicidens – type locality for species
 * Synaptomys
 * †Synaptomys australis

T

 * Tapirus
 * †Tapirus veroensis
 * Taxidea
 * †Taxidea taxus
 * Natural History Museum of LA Teleoceras.jpg †[[Teleoceras]]
 * †Teleoceras fossiger – type locality for species
 * †Teleoceras guymonense
 * Terrapene
 * †Terrapene carolina
 * †Terrapene ilanensis
 * †Texasophis
 * †Texasophis wilsoni – type locality for species
 * †Texoceros
 * †Texoceros guymonensis – or unidentified comparable form
 * Thamnophis
 * †Thamnophis proximus
 * Poledancer.jpg †[[Thamnophis radix]]
 * †Thamnophis saurita – or unidentified comparable form
 * †Thamnophis sirtalis
 * Thomomys
 * †Thomomys talpoides
 * Trachemys
 * †Trachemys scripta
 * †Tregobatrachus – type locality for genus
 * †Tregobatrachus hibbardi – type locality for species
 * †Tregophis – type locality for genus
 * †Tregophis brevirachis – type locality for species
 * †Tregosorex
 * †Tregosorex holmani – type locality for species
 * †Trigonictis
 * †Trigonictis macrodon
 * Trionyx
 * †Trionyx spinifer
 * Tropidoclonion
 * †Tropidoclonion lineatum
 * LesserPrairieChicken.JPG [[Tympanuchus]] – or unidentified comparable form

U

 * †Untermannerix
 * †Untermannerix copiosus
 * Urocyon
 * Grey Fox (Urocyon cinereoargenteus).jpg †[[Urocyon cinereoargenteus]]
 * †Urocyon progressus
 * †Ustatochoerus
 * †Ustatochoerus medius

V

 * Vallonia
 * †Vallonia gracilicosta
 * †Vallonia pulchella
 * Valvata
 * †Valvata tricarinata
 * Vertigo
 * †Vertigo ovata
 * Vulpes
 * Swift Fox Colorado Wolf and Wildlife cropped.jpg †[[Vulpes velox]]

Z

 * Zapus
 * †Zapus burti – type locality for species
 * Zapus hudsonius.jpg †[[Zapus hudsonius]]
 * †Zapus rinkeri – type locality for species
 * †Zapus sandersi – type locality for species
 * Zonitoides
 * †Zonitoides arboreus
 * †Zonitoides nitidus